package com.itheima.advice;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Retention(RetentionPolicy.RUNTIME)  //这个注解在程序运行时生效
@Target(ElementType.METHOD)     //这个注解只能用在方法上
public @interface LonOperation {
}
